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Date: Thu, 15 Apr 2010 20:02:01 +0200 From: Pavel Machek <pavel@....cz> To: Mohamed Ikbel Boulabiar <boulabiar@...il.com> Cc: linux-kernel@...r.kernel.org Subject: Re: Low-Level and Long-Term Battery Control Hi! > Is there any function in the Linux kernel that control the > charging/discharging of the battery to provide better lifespan ? > (add some years to its life ?) No, I don't think so. > For Laptops, it is better to extract the battery from the Laptop when > the computer will be on power for a long period. > I ask if the kernel can do such control without the user intention and > in an automatic way. > > Some BIOS provide to the user to select whether to block the battery > charging to 50% to make it stand for more time. Where have you seen that? > And Many people (like me) forget their laptops on power until the > battery no more can hold energy after 2minutes of no power. > > I am not sure for the MacBook side, but it seems they don't suffer > from such problem in the same degree as other laptop users. Normally, smart battery should control charging itself; and it usually does pretty well. Exceptions are very small devices such as spitz, but for those batteries CCCV charging with temperature monitor is usually enough. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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